[m-rev.] for review: mantis bug 401, and changing use_module

[Zoltan Somogyi]

The part of the log message discussing the change to the
meaning of use_module declarations should be read by everyone.
The rest is for review by anyone.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.int_impl
Type: application/octet-stream
Size: 6681 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20160110/fa676e7e/attachment.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.int_impl
Type: application/octet-stream
Size: 93431 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20160110/fa676e7e/attachment-0001.obj>